university of chicago war papers threat of German world-politics / by Harry Pratt Judson Ursachen des Kriegseintrittes der Vereinigten Staaten : (Materialsammlung) National defense and political science / by Edward Mead Earle case of the allies : being the replies to President Wilson and Mr. Balfour's despatch How America went to war : an account from official sources of the nation's war activities 1917-1920 : The road to France : the transportation … United States Army in the world war 1917-1919 : Policy-forming documents american expeditionary forces / Department of the Army. Historical Division